Corrugated box



FIG. 1 is a top front side perspective view of a corrugated box showing my new design;

FIG. 2 is a front elevation view thereof, the rear elevation view being the same;

FIG. 3 is a right side elevation view thereof, the left side elevation view being the same; and,

FIG. 4 is a top plan view thereof, the bottom plan view being the same. 

The ornamental design for a corrugated box, as shown and described. 